Platform Software Engineer

Slingshot Aerospace

56d • $154,000 - $213,000 • Remote

About The Position

We’re hiring a Platform Software Engineer to partner with our Technical Architect and drive both architecture and hands-on development for Slingshot’s multi-partner integration platform. You’ll own key architectural domains and build production services, work with APIs, pipelines, and tooling that accelerate partner onboarding, improve developer experience, and keep us ATO-ready.

Requirements

• Experience: 5+ years in software development with emphasis on enterprise integration/API platforms; 2+ years owning substantial architectural scope.
• APIs & Events: REST, GraphQL, webhooks; Kafka/CloudEvents/queues; contract testing.
• Cloud (AWS): API Gateway, Lambda, EKS, and related PaaS/IaaS.
• IaC & DevOps: Terraform/CloudFormation/CDK; CI/CD (GitHub Actions); GitOps.
• Containers: Docker, Kubernetes, Helm, EKS.
• Languages/Stack: Java/Kotlin, Python, GraphQL, REST.
• Data: PostgreSQL, MongoDB
• Security: API keys, rate limiting, secrets management.
• AI/ML Integration: Proven delivery of AI/ML/LLM features into production APIs.

Nice To Haves

• Direct experience mapping/implementing controls for NIST 800-53, DoD ILs, FedRAMP, including higher-classification or air-gapped environments.
• Startup/product organization background with a strong delivery cadence.
• Frontend familiarity (React) for Developer Hub contributions.
• Close collaboration with DevOps/SRE; infrastructure tooling and observability experience.
• QA partnership (contract/E2E tests for integrations) and predictable delivery with Product.
• Space/Aerospace exposure.
• Experience integrating complex external systems and simulation tech (HLA/DIS).

Responsibilities

• Co-own architecture for APIs, data pipelines, multi-tenant controls, time-sync, and analytics; and write reference designs.
• Design & build scalable REST/GraphQL and event-driven services supporting diverse integration patterns.
• Develop high-volume, real-time pipelines with robust validation, error handling, pass-through, and observability.
• Engineer for ATO from day one, aligning designs with NIST 800-53, DoD IL, and FedRAMP; contribute evidence for accreditation.
• Evolve our API Developer Hub (design, docs, testing, lifecycle tooling) and self-service partner onboarding workflows.
• Implement API lifecycle management (versioning, deprecation, migration) and platform analytics for internal/external users.
• Onboard third-party models and simulations (including AI/ML/LLM and space-ops training software) with clear methodology and tooling.
• Collaborate cross-functionally with Product, Security, DevOps, QA, and external partner teams; engage with government stakeholders.
• Mentor engineers on integration patterns, reliability, and operational excellence; balance speed with long-term platform health.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed